[U-Boot] [PATCH 24/31] ARM: k2g: Add DDR3 configuration for K2G ICE evm

[Franklin S Cooper Jr]

Add configuration settings used by the K2G ICE evm. Also use board
detection to determine which DDR3 configuration to use.

Signed-off-by: Franklin S Cooper Jr <fcooper at ti.com>
---
 board/ti/ks2_evm/ddr3_k2g.c | 62 +++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 60 insertions(+), 2 deletions(-)

diff --git a/board/ti/ks2_evm/ddr3_k2g.c b/board/ti/ks2_evm/ddr3_k2g.c
index 3b12943..44db335 100644
--- a/board/ti/ks2_evm/ddr3_k2g.c
+++ b/board/ti/ks2_evm/ddr3_k2g.c
@@ -10,7 +10,9 @@
 #include <common.h>
 #include "ddr3_cfg.h"
 #include <asm/arch/ddr3.h>
+#include "board.h"
 
+/* K2G GP EVM DDR3 Configuration */
 struct ddr3_phy_config ddr3phy_800_2g = {
 	.pllcr          = 0x000DC000ul,
 	.pgcr1_mask     = (IODDRM_MASK | ZCKSEL_MASK),
@@ -61,13 +63,69 @@ struct ddr3_emif_config ddr3_800_2g = {
 	.sdrfc          = 0x00000C34ul,
 };
 
+/* K2G ICE evm DDR3 Configuration */
+struct ddr3_phy_config ddr3phy_800_512mb = {
+	.pllcr          = 0x000DC000ul,
+	.pgcr1_mask     = (IODDRM_MASK | ZCKSEL_MASK),
+	.pgcr1_val      = ((1 << 2) | (2 << 7) | (1 << 23)),
+	.ptr0           = 0x42C21590ul,
+	.ptr1           = 0xD05612C0ul,
+	.ptr2           = 0,
+	.ptr3           = 0x06C30D40ul,
+	.ptr4           = 0x06413880ul,
+	.dcr_mask       = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK),
+	.dcr_val        = ((1 << 10)),
+	.dtpr0          = 0x550E6644ul,
+	.dtpr1          = 0x32834200ul,
+	.dtpr2          = 0x50022A00ul,
+	.mr0            = 0x00001430ul,
+	.mr1            = 0x00000006ul,
+	.mr2            = 0x00000008ul,
+	.dtcr           = 0x710035C7ul,
+	.pgcr2          = 0x00F03D09ul,
+	.zq0cr1         = 0x0001005Dul,
+	.zq1cr1         = 0x0001005Bul,
+	.zq2cr1         = 0x0001005Bul,
+	.pir_v1         = 0x00000033ul,
+	.datx8_2_mask   = DXEN_MASK,
+	.datx8_2_val    = 0,
+	.datx8_3_mask   = DXEN_MASK,
+	.datx8_3_val    = 0,
+	.datx8_4_mask   = DXEN_MASK,
+	.datx8_4_val    = 0,
+	.datx8_5_mask   = DXEN_MASK,
+	.datx8_5_val    = 0,
+	.datx8_6_mask   = DXEN_MASK,
+	.datx8_6_val    = 0,
+	.datx8_7_mask   = DXEN_MASK,
+	.datx8_7_val    = 0,
+	.datx8_8_mask   = DXEN_MASK,
+	.datx8_8_val    = 0,
+	.pir_v2         = 0x00000F81ul,
+};
+
+struct ddr3_emif_config ddr3_800_512mb = {
+	.sdcfg          = 0x62006662ul,
+	.sdtim1         = 0x0A385033ul,
+	.sdtim2         = 0x00001CA5ul,
+	.sdtim3         = 0x21ADFF32ul,
+	.sdtim4         = 0x533F067Ful,
+	.zqcfg          = 0x70073200ul,
+	.sdrfc          = 0x00000C34ul,
+};
+
 u32 ddr3_init(void)
 {
 	/* Reset DDR3 PHY after PLL enabled */
 	ddr3_reset_ddrphy();
 
-	ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_800_2g);
-	ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE, &ddr3_800_2g);
+	if (board_is_k2g_gp()) {
+		ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_800_2g);
+		ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE, &ddr3_800_2g);
+	} else if (board_is_k2g_ice()) {
+		ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_800_512mb);
+		ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE, &ddr3_800_512mb);
+	}
 
 	return 0;
 }
-- 
2.10.0